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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-30

  • question_answer
    If\[\sqrt[3]{32}={{2}^{x}},\]then x is equal to

    A)  5                    

    B)  3

    C)  \[\frac{3}{5}\]             

    D)  \[\frac{5}{3}\]

    Correct Answer: D

    Solution :

    \[{{(32)}^{\frac{1}{3}}}={{2}^{x}}\] \[\Rightarrow \]\[({{2}^{5}})={{2}^{x}}\Rightarrow {{2}^{x}}={{2}^{\frac{5}{3}}}\Rightarrow x=\frac{5}{3}\]


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